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SpectrAlert fire alarm horn/strobe at Benjamin Franklin Middle School
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Potomac Hall fire alarm control panel
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Foggy Bottom-GWU station [01]
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Federal Triangle station
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Addison Road-Seat Pleasant station
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WMATA railcar 3180 at New Carrollton station
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Crystal City station
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Braddock Road station at night
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Yellow Line train at Huntington [03]
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Interior of WMATA railcar 3283
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Yellow Line train departing King Street station
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Platform edge under renovation at Shady Grove station
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Yellow Line train approaching King Street station
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Platform at Franconia-Springfield
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Yellow Line train at L'Enfant Plaza station [01]
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L'Enfant Plaza station [02]
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Yellow Line train at L'Enfant Plaza station [02]
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Metro Center station [05]
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Metro Center station [06]
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SpectrAlert Advance strobe [01]
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SpectrAlert Advance strobe [02]
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Former Circuit City in Wheaton, Maryland
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Ellenco 5C at Hewitt Gardens [03]
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SpectrAlert classic horn/strobe [01]
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SpectrAlert classic horn/strobe [02]
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Blue Line train at Stadium-Armory station [01]
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Malfunctioning price scanner at Micro Center [02]
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Malfunctioning price scanner at Micro Center [01]
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Siren on Eastwick Library in Philadelphia [01]
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Siren on Eastwick Library in Philadelphia [02]
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Siren on Eastwick Library in Philadelphia [03]
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Siren on Eastwick Library in Philadelphia [04]
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Siren on Eastwick Library in Philadelphia [05]
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Fire alarm at Philadelphia Habitat ReStore [01]
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Fire alarm at Philadelphia Habitat ReStore [02]
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"Praise Dobler"
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Broken payphone in Philadelphia
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Federal Signal Modulator in Atlantic City [01]
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Federal Signal Modulator in Atlantic City [02]
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Federal Signal Modulator in Atlantic City [03]
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Federal Signal Modulator in Atlantic City [04]
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Fire alarm pull station at Acme in Newark, Delaware
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Silent Knight pull station at Giant Food in Burtonsville, Maryland [01]
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Silent Knight pull station at Giant Food in Burtonsville, Maryland [02]
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Train at Rosslyn station upper level
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Escalators at Rosslyn station [02]
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Fedelcode Model 5 in Chambersburg, Pennsylvania
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Ceiling-mounted speaker/strobe with "ALERT" lettering
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Fire alarm pull station at the Courtyard by Marriott Philadelphia Langhorne
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Fire alarm at Trenton Park & Ride [02]
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Fire alarm at Trenton Park & Ride [01]
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Curved fire alarm speaker at Westfield World Trade Center
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Scion xB with 123,456 miles
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Fire alarm at 2200 Hamilton Street [04]
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Fire alarm pull station at Macy's flagship store [01]
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Fire alarm pull station at Macy's flagship store [02]
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Fire alarm pull station at Macy's flagship store [03]
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Walt Whitman Service Plaza